overstep (v.)youdaoicibaDictYouDict[overstep 词源字典]
Old English ofersteppan "to step over or beyond, cross, exceed;" see over- + step (v.). From the beginning used in figurative senses. Related: Overstepped; overstepping.[overstep etymology, overstep origin, 英语词源]
transgress (v.)youdaoicibaDictYouDict
late 15c., from Middle French transgresser (14c.), from Latin transgressus, past participle of transgredi "to step across, step over" (see transgression). Related: Transgressed; transgressing.
transgression (n.)youdaoicibaDictYouDict
late 14c., from Old French transgression "transgression," particularly that relating to Adam and the Fall (12c.), from Late Latin transgressionem (nominative transgressio) "a transgression of the law," in classical Latin, "a going over, a going across," noun of action from transgressus, past participle of transgredi "step across, step over; climb over, pass, go beyond," from trans- "across" (see trans-) + gradi (past participle gressus) "to walk, go" (see grade (n.)). Geological sense is from 1882.